“The School for Lies,” Mad Horse Theatre production of David Ives’ play set in a witty Paris salon in 1666, Mad Horse Theater at The Hutchins School, South Portland. $15 to $20; Thursdays are pay-what-you-can. madhorse.com. 7:30 p.m. Thursday, Friday and Saturday; 2 p.m. Sunday; 7:30 p.m. Oct. 3. Through Oct. 13.

American Irish Repertory Ensemble presents “Someone Who’ll Watch Over Me,” touching and funny play explores the relationship among three strangers — an American, an Irishman and an Englishman — held hostage in Beirut in the 1980s, Portland Stage Company (Studio Theater), Portland, $20, $18 seniors and students, $10 on Oct. 3. airetheater.com. 7:30 p.m. Oct. 3.

“9 Walks,” video projections by Amy Stacey Curtis exploring movement in time and space via the motif of a walk in the woods, Portland Museum of Art. portlandmuseum.org. Oct. 3. through Jan. 5.

CONTINUING

Portland Museum of Art: “Winslow Homer’s Civil War,” wood engravings and prints from Homer’s days as an “embedded” artist in the Union Army; and Ahmed Alsoudani, “Redacted,” paintings and drawings from New York-based Iraqi artist and MECA graduate, through Dec. 8. portlandmuseum.org

Maine Historical Society/Longfellow House, Portland: “Thundered Over the Tide,” 200th anniversary of the battle of The Boxer and The Enterprise, through Oct. 25; “This Rebellion: Maine and the Civil War,” photographs, letters, maps, artifacts and memorabilia, through May 26. mainehistory.org

Bowdoin College Museum of Art, Brunswick: “Maurice Prendergast: By the Sea,” seaside work in Maine and elsewhere by Post-Impressionist painter, through Oct. 13; “This Mighty Scourge of War,” art of the Civil War, through Jan. 5. bowdoin.edu/art-museum

Museums of Old York, York: “The Barrell Family Collection: A Return to York,” highlights one of York’s most distinguished early families, through Oct. 19. oldyork.org

Ogunquit Museum of American Art: “Sixty Works — 60 Years,” 60 of the most important works from the permanent collection; “Henry Strater: A Life in Art,” family photos and artwork; “Emerging Artists 2013,” up-and-coming New England artists from traditional to experimental media; “A Community Collects: Selections from the York Hospital Collection,” works by Henry Strater, Sean Beavers, John Laurent, Hal Carney and others; and “Charles and Marcia: The Woodburys in Holland,” collection of pre-Industrial Revolution subjects, through Oct. 31. ogunquitmuseum.org

Colby Museum of Art, Waterville: “A Thing Alive: Modern Views from the Marin Collections,” work by John Marin, Berenice Abbott, Eugene Atget, Alfred Stieglitz and others, through Sunday; “Process & Place,” exploring the design evolution of the Alfond-Lunder Family Pavilion, through Oct. 13; “Nowhere But Here,” works by Marsden Hartley, Arthur Dove, Elizabeth Murray, Ben Pier and others, through Jan. 5; “The Lunder Collection,” works by Whistler, Homer, O’Keefe and many more American masters, plus “Spaces and Places” and “American Weathervanes,” through June 8. colby.edu/museum

Maine State Museum, Augusta: “Maine Voices from the Civil War,” letters, documents, diaries, sketches, paintings, flags and other objects from the Civil War period, through May 2015. mainestatemuseum.org

Farnsworth Art Museum, Rockland: Andrew Wyeth, “Her Room,” 1963 tempera painting accompanied by pencil and watercolor studies, through Nov. 17; “Every Picture Tells a Story: N.C. Wyeth Illustrations from the Brandywine River Museum,” “American Treasures: Small Treasures,” small-scale work from the museum collection, and “American Treasures: Maine Voices,” views of Maine through art by N.C. Wyeth, Louise Nevelson, Alex Katz and more, through Dec. 29; “A Wondrous Journey: Jonathan Fisher and the Making of Scripture Animals,” through Jan. 5; “American Treasures: Other Voices,” contemporary art from the museum collection, “American Treasures: Family and Friends,” renderings of artists’ relatives and acquaintances, and “American Treasures: Visions of the Land and Sea,” paintings of Maine ocean scenes and coastlines, through Feb. 2. farnsworthmuseum.org

Abbe Museum, Bar Harbor: “N’tolonapemk: Our Relatives’ Place,” archaeological exhibits and stories of the Passamaquoddy, through October; “2013 Waponahki Student Art Show,” art by Passamaquoddy and Penobscot students from early childhood education to high school, through Oct. 31; “Wabanaki Guides,” the legacy of Wabanaki people serving as guides for European and American explorers, cartographers, tourists and artists from the 1600s to present, through December. abbemuseum.org

University of Southern Maine (Atrium Art Gallery), Lewiston: “Tell Me a Story: About Maine,” work of 14 artists who have illustrated children’s books about Maine, through Nov. 23. usm.maine.edu/atriumgallery

University of New England (Art Gallery), Portland: “A Mountain Rises: The Art of Katahdin,” historic and contemporary works of art that represent Mount Katahdin and the surrounding region, through Oct. 27; annual sculpture garden invitational with 10 artists, through Oct. 31. une.edu/artgallery

Richard Boyd Gallery, Peaks Island: “Labor: The Art of Work,” art that depicts workers employed in local and regional industries or inspired by the post-war New Deal era, through Monday. richardboydpottery.com

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